Flow price: --
d7fac61999fc598b62b9302ad6b7d6ab6de03457a64f4fde9d9557f3e9d0cdf7

Transaction

Hash: d7fac61999fc598b62b9302ad6b7d6ab6de03457a64f4fde9d9557f3e9d0cdf7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7fac61999fc598b62b9302ad6b7d6ab6de03457a64f4fde9d9557f3e9d0cdf7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d7fac61999fc598b62b9302ad6b7d6ab6de03457a64f4fde9d9557f3e9d0cdf7
Status:
ERROR
Block height:
40118740
Block id:
92a7ac6d6ec81d18ab54f29fb1e6998d53f9b0df13db7ff284280689a9a4590a
Timestamp:
Tuesday 1 November 2022 at 17:30:35 UTC
()
Proposer:
Authorizers:
Gas used:
47